{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Urban Areas and Designated Urbam Areas - MS4",
   "layerType": "Feature Layer",
   "minScale": 10000000,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "93643b770f8e6faa2f339e945ee8a4c5",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWORlNZu4eQQcGCgAvj+48MBFpBhPgEt1tQwcMuGGgYWBioDllEDKQYslBuBCkYNpBywUMEMFDBq4IgIw+8/PhwAlbTUACCzAKeiEe6DI8rdAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "Urban Area - Census 2020",
   "layerType": "Feature Layer",
   "minScale": 10000000,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "05fcff33d8b670e0a330ce342898b8af",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWPR1NRs4eHhcWCgAvjy5csBFpBhVVVV1tQwsK2tjYGFgcqAZdRAigEL5UagglEDKQcsVDADBYwaOCLC8MuXLwdAJS01AMgsAGl3EbkDkqq+AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "Urban Area - Census 2010",
   "layerType": "Feature Layer",
   "minScale": 10000000,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "e2b8f0d505990f61f66bfd388c173a91",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATklEQVQ4jWPR0dFpERQUdGCgAnj//v0BFpBh3d3d1tQwsLS0lIGFgcqAZdRAigEL5UagglEDKQcsVDADBYwaOCLC8P379wdAJS01AMgsAPs5EYD6hgPpAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 3,
   "layerName": "Urban Area - Census 2000",
   "layerType": "Feature Layer",
   "minScale": 10000000,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "f575c497c3ab78048070fc1204b7a6ce",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWMxMjJqERYWdmCgAnj79u0BFpBhc+bMsaaGgSkpKQwsDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERhm/fvj0AKmmpAUBmAQCQPRFZGYefLQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}